Basic
$0.83 – $1 per sq ft
Deck cleaned and one coat of clear water-repellent sealer applied to boards and rails

Seal Deck: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Seal Deck in Manchester, New Hampshire typically costs $0.98 to $1.18 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Manchester are 2.0% lower than the national average for seal deck.
National average: $1 – $1.20 per sq ft
$0.83 – $1 per sq ft
Deck cleaned and one coat of clear water-repellent sealer applied to boards and rails
$0.98 – $1.18 per sq ft
Deck cleaned and brightened, one coat of toned semi-transparent penetrating stain-sealer with UV inhibitors
$1.23 – $1.47 per sq ft
Cleaned, brightened and lightly sanded, two coats of penetrating oil semi-transparent stain-sealer for a deeper, richer tone with UV inhibitors
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.44 – $0.53 | sq ft |
| Labor | labor | $0.34 – $0.41 | sq ft |
| Supplies & Other | supplies | $0.12 – $0.14 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.10 | sq ft |
BuildX Pro researches and reviews the national price range for Seal Deck, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Sep 2026.
Connect with local seal deck contractors in Manchester for personalized quotes based on your specific project.